CN212733837U

CN212733837U - Guide pillar for metal pressing die

Info

Publication number: CN212733837U
Application number: CN202021424009.2U
Authority: CN
Inventors: 邓阳波; 张义普; 胡总友; 杨维; 邓永波
Original assignee: Suzhou Meisrui Precision Mould Accessories Co Ltd
Current assignee: Suzhou Meisrui Precision Mould Accessories Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-19
Anticipated expiration: 2030-07-20

Abstract

The utility model relates to a mould manufacturing technical field especially relates to a guide pillar for metal moulding-die, solves the high difficult processing of guide pillar machining precision, easily damages and difficult change, the great shortcoming of frictional force between guide pillar and the guide pin bushing, which comprises a die, the mounting groove has been seted up to the upper end of mould, the inside contact of mounting groove is connected with the guide post seat, the lower extreme fixedly connected with fixed block of guide post seat, the lower extreme set screw hole of fixed block, the spread groove has been seted up to the lower extreme of mould. The utility model discloses an add the direction precision that promotes the guide pillar of the way of establishing four second grade guide pillars around the one-level guide pillar, because of its effect that has four second grade guide pillars, can suitably reduce the precision of its one-level guide pillar, also can pack the precision of its inside metal die casting, have through with one-level guide pillar and second grade guide pillar welding on the guide pillar seat, the guide pillar seat passes through threaded connection on the mould, threaded connection can realize the quick replacement after its guide pillar damages.

Description

Guide pillar for metal pressing die

Technical Field

The utility model relates to a mould manufacturing technical field especially relates to a guide pillar for metal moulding-die.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

The most important of the die is the guide post, and the guide post and the guide sleeve are matched for use and play a role in guiding in the moving process of the die. In order to ensure the accuracy of the movement of the die, the fit clearance between the guide pillar and the guide sleeve is very small and is usually not more than 0.05 mm, the clearance is very small, so that the machining needs very accurate machining, the machining time is long, the cost is high, the guide pillar is easy to damage due to large force during stamping and is not easy to replace, during the working period of the guide pillar and the guide sleeve, friction can occur, images can be caused to the precision of the guide pillar, and the friction force can also image the falling of the guide sleeve on the guide pillar.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the high difficult processing of guide pillar machining precision, the guide pillar easily damages and is difficult for changing, the great shortcoming of frictional force between guide pillar and the guide pin bushing, and the guide pillar for metal moulding-die that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a guide post for a metal pressing die comprises a die, wherein an installation groove is formed in the upper end of the die, a guide post seat is in contact connection with the inside of the installation groove, a fixed block is fixedly connected to the lower end of the guide post seat, a threaded hole is formed in the lower end of the fixed block, a connecting groove is formed in the lower end of the die, a screw rod is connected to the inside of the threaded hole through threads, the upper end of the connecting groove is in contact connection with the lower end of the screw rod, a positioning block is fixedly connected to the lower end of the guide post seat, a secondary guide post is welded to the upper end of the guide post seat, a primary guide post is welded to the upper end of the guide post seat, an oil guide groove is formed in the outer side of the primary guide post, a transverse oil guide hole is formed in the primary guide post, a flow limiting ring is fixedly connected to, the lower end of the oil storage tank is provided with a longitudinal oil guide hole, and the upper end of the die is provided with a die cavity.

Preferably, the number of the secondary guide posts is four, and the four secondary guide posts are uniformly distributed on four sides of the upper end of the guide post seat.

Preferably, the number of the oil guide grooves is four, and the four oil guide grooves are uniformly distributed on the surface of the first-stage guide pillar.

Preferably, the number of the transverse oil guiding holes is four, and the four transverse oil guiding holes are distributed in the middle of the oil guiding groove.

Preferably, the guide column seat and the positioning block are both cuboids, and the fixing block is cylindrical.

Preferably, chamfers are arranged at the upper ends of the first-stage guide pillar and the second-stage guide pillar, and the first-stage guide pillar and the second-stage guide pillar are made of carburizing steel.

The utility model has the advantages that: the utility model discloses a method of setting up four second grade guide pillars is added around the first-level guide pillar and is promoted the direction precision of guide pillar, because of its effect that has four second grade guide pillars, can suitably reduce the precision of its first-level guide pillar, also can pack the precision of its inside metal die casting, have through welding first-level guide pillar and second grade guide pillar on the guide pillar seat, the guide pillar seat is through threaded connection on the mould, threaded connection can realize the quick replacement after its guide pillar damages;

lubricating oil is supplied to the inside of the first-stage guide pillar in a mode that an oil storage groove and a longitudinal oil guide hole are formed in the upper end of the first-stage guide pillar, then a transverse oil guide hole is formed in the oil guide groove, a limited oil ring is installed at the outlet of the transverse oil guide hole, and the oil storage groove, the longitudinal oil guide hole and the transverse oil guide hole supply the lubricating oil to the surface of the first-stage guide pillar during die casting, so that friction can be reduced, guide pillar loss can be reduced, and sliding between the guide sleeve and the guide pillar can be smoother.

Drawings

FIG. 1 is a schematic structural view of a guide pillar for a metal molding die according to the present invention;

FIG. 2 is a top view of FIG. 1 of a guide pillar for a metal mold according to the present invention;

FIG. 3 is a front view of the first-stage guide post of FIG. 1 of the guide post for a metal mold according to the present invention;

FIG. 4 is a left side view of the first-stage guide post of FIG. 1 of the guide post for metal pressing mold according to the present invention;

fig. 5 is an enlarged view of the portion a of the structure in fig. 4 of the guide pillar for a metal mold according to the present invention.

In the figure: 1. a mold; 2. mounting grooves; 3. a guide post seat; 4. a fixed block; 5. a threaded hole; 6. connecting grooves; 7. a screw; 8. positioning blocks; 9. a secondary guide post; 10. a primary guide post; 11. an oil guide groove; 12. a transverse oil guide hole; 13. an oil limiting ring; 14. an oil limiting hole; 15. an oil storage tank; 16. a longitudinal oil guide hole; 17. a mold cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a guide post for a metal pressing die comprises a die 1, wherein an installation groove 2 is formed at the upper end of the die 1, a guide post base 3 is in contact connection with the inside of the installation groove 2, a fixed block 4 is fixedly connected to the lower end of the guide post base 3, a threaded hole 5 is formed at the lower end of the fixed block 4, a connecting groove 6 is formed at the lower end of the die 1, the connecting groove 6 is used for disassembling and assembling a screw 7 of the connecting groove, the screw 7 is in threaded connection with the inside of the threaded hole 5, the upper end of the connecting groove 6 is in contact connection with the lower end of the screw 7, a positioning block 8 is fixedly connected to the lower end of the guide post base 3, a secondary guide post 9 is welded to the upper end of the guide post base 3, a primary guide post 10 is welded to the upper end of the guide post base 3, the left end of the oil limiting ring 13 is provided with a limited oil hole 14, the oil limiting hole 14 can reduce the flow speed of lubricating oil in the limited oil hole 14, so that the use amount of the lubricating oil can be reduced, the upper end of the first-stage guide pillar 10 is provided with an oil storage tank 15, the lower end of the oil storage tank 15 is provided with a longitudinal oil guide hole 16, the longitudinal oil guide hole 16 is communicated with the transverse oil guide hole 12, and the upper end of the die 1 is provided with a cavity 17.

The utility model discloses a method of establishing four second grade guide pillars 9 additional around one-level guide pillar 10 promotes the direction precision, because of its effect that has four second grade guide pillars 9, can suitably reduce the precision of its one-level guide pillar 10, also can pack the precision of its inside metal die casting, have through welding one-level guide pillar 10 and second grade guide pillar 9 on guide pillar seat 3, guide pillar seat 3 is through threaded connection on mould 1, threaded connection can realize the quick replacement after its guide pillar damages;

lubricating oil is supplied to the inside of the primary guide post 10 in a mode that an oil storage groove 15 and a longitudinal oil guide hole 16 are formed in the upper end of the primary guide post 10, then a transverse oil guide hole 12 is formed in the oil guide groove 11, a limited oil ring 13 is installed at the outlet of the transverse oil guide hole 12, and the oil storage groove 15, the longitudinal oil guide hole 16 and the transverse oil guide hole 12 supply the lubricating oil to the surface of the primary guide post 10 during die casting, so that friction can be reduced, guide post loss can be reduced, and sliding between a guide sleeve and the guide post can be smoother.

In this embodiment, the number of the secondary guide pillars 9 is four, four secondary guide pillars 9 are uniformly distributed on four sides of the upper end of the guide pillar base 3, the secondary guide pillars 9 are contacted with each other at the end of the guide sleeve, which enters the primary guide pillar 10, moving downwards, the secondary guide pillars 9 enter the secondary guide sleeve at the outer end of the guide sleeve, the number of positioning points is more, the mold closing precision is higher, and the precision of the metal pressing mold is also increased.

In this embodiment, the number of oil guiding grooves 11 is four, and four oil guiding grooves 11 are uniformly distributed on the surface of the first-stage guide pillar 10, so that lubricating oil can be uniformly attached to the surface of the first-stage guide pillar 10, and the friction force of the lubricating oil can be reduced.

In this embodiment, the number of the transverse oil guiding holes 12 is four, and the lubricating oil in the transverse oil guiding holes 12 distributed in the middle of the oil guiding groove 11 of the four transverse oil guiding holes 12 is extruded by the pressure of the falling of the guide sleeve, and fills the oil guiding groove 11.

In this embodiment, the shape of guide pillar seat 3 and locating piece 8 is the cuboid, and the shape of fixed block 4 is the cylinder, and guide pillar seat 3 is the cuboid with locating piece 8, and guide pillar seat 3 is difficult for rocking after the packing installation that can be better, can make its die-casting precision higher.

In this embodiment, the upper ends of the first-stage guide pillar 10 and the second-stage guide pillar 9 are both provided with chamfers, the first-stage guide pillar 10 and the second-stage guide pillar 9 are made of carburizing steel, and the carburizing steel is good in pressure resistance, good in wear resistance and not easy to damage.

The utility model discloses the concrete implementation process as follows: when the guide sleeve slides outside the first-stage guide post 10, because the upper end of the guide sleeve is closed, the lubricating oil enters the longitudinal oil guide hole 16 from the oil storage groove 15 under the pressure of the inside of the guide sleeve, the longitudinal oil guide hole 16 transmits the lubricating oil to the transverse oil guide hole 12, the limited oil ring 13 at the front end of the transverse oil guide hole 12 limits the amount of the lubricating oil output by the transverse oil guide hole, and when the guide post at the upper end of the guide post seat 3 is damaged, the guide post seat 3 can be detached through the detaching screw 7 and then replaced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The guide post for the metal pressing die comprises a die (1) and is characterized in that an installation groove (2) is formed in the upper end of the die (1), a guide post seat (3) is in contact connection with the inside of the installation groove (2), a fixed block (4) is fixedly connected to the lower end of the guide post seat (3), a threaded hole (5) is formed in the lower end of the fixed block (4), a connecting groove (6) is formed in the lower end of the die (1), a screw rod (7) is connected to the inside of the threaded hole (5) through threads, the upper end of the connecting groove (6) is in contact connection with the lower end of the screw rod (7), a positioning block (8) is fixedly connected to the lower end of the guide post seat (3), a secondary guide post (9) is welded to the upper end of the guide post seat (3), a primary guide post (10) is welded to the upper end of the guide post seat (, the oil guide structure is characterized in that a transverse oil guide hole (12) is formed in the first-stage guide pillar (10), the upper end of the transverse oil guide hole (12) is fixedly connected with a limited oil ring (13), the left end of the limited oil ring (13) is provided with a limited oil hole (14), the upper end of the first-stage guide pillar (10) is provided with an oil storage tank (15), the lower end of the oil storage tank (15) is provided with a longitudinal oil guide hole (16), and the upper end of the mold (1) is provided with a cavity (17).

2. Guide post for metal stamping according to claim 1, characterized in that the number of the secondary guide posts (9) is four, and four secondary guide posts (9) are evenly distributed at four sides of the upper end of the guide post base (3).

3. Guide post for metal stamping according to claim 1, characterized in that the number of the oil guide grooves (11) is four, and four oil guide grooves (11) are uniformly distributed on the surface of the primary guide post (10).

4. The guide post for metal stamping according to claim 1, characterized in that the number of the transverse oil guiding holes (12) is four, and four transverse oil guiding holes (12) are distributed in the middle of the oil guiding groove (11).

5. The guide post for metal pressing mold according to claim 1, wherein the guide post seat (3) and the positioning block (8) are both rectangular parallelepiped in shape, and the fixing block (4) is cylindrical in shape.

6. The guide post for metal stamping according to claim 1, characterized in that the upper ends of the primary guide post (10) and the secondary guide post (9) are provided with chamfers, and the primary guide post (10) and the secondary guide post (9) are made of carburizing steel.